Midea MFA-76CRN1 - Page 17

R410A Tropical Split Type Technical Manual Wiring Diagrams
Duct Type
17
MTA-120CRN1, MTA-150CRN1
INDOOR POWER
B
L
A
C
K
Y
E
L
L
O
W
Y
E
L
L
O
W
G
R
E
E
N
B
R
O
W
N
B
L
U
E
R
E
D
B
L
U
E
R
E
D
R
E
D
WHITE
RED RED
WHITE
WHITE
(GRAY)
WHITE
SLOW
HIGH
LOW
BLUE
BLUE
RED
TO OUTDOOR
Y/G
B
L
A
C
K
Y
E
L
L
O
W
R
E
D
WHITE
B
L
U
E
Y/G
B
L
A
C
K
R
E
D
WHITE
B
L
U
E
Y/G
MAIN CONTROL BOARD
WHITE
(GRAY)
WHITE
(GRAY)
CN20 CN7 CN3 CN2 CN1
CN8
CN11 CN10 CN15
TO WIRE
CONTROLLER
RL1 RL2 RL3
BLUE
RED
B
R
O
W
N
B
R
O
W
N
B
R
O
W
N
B
R
O
W
N
B
R
O
W
N
B
R
O
W
N
B
L
U
E
Y
E
L
L
O
W
B
L
A
C
K
B
L
A
C
K
R
E
D
R
E
D
B
L
U
E
B
L
U
E
Y
E
L
L
O
W
Y
E
L
L
O
W
Y/G
WHITE
R
E
D
BLACK
Item Name Item Name Item Name
CAP1-CAP3
Indoor fan cap
CN1-3,CN7,CN8,
CN10,CN11,CN15,CN20
PCB sockets
T4 Transformer
FAN1-FAN3 Indoor fan RT1
Room temp.
sensor
RT2
Pipe temp.
sensor
XP1 Connector XS1 Connector XT1 7-way terminal
XT2,XT3 Mid terminal RL1,RL2,RL3 Relay - -